Updated: Jul 15, 2026
Location and Projects
Address
21 DEMING RD, Berlin, CT, 06037
Use our bidding system to
request a quote
Olsen Built Homes LLC
Olsen Built Homes LLC, 21 Deming Rd, Berlin, CT holds a Mechanical Corporation license and 3 other licenses according to the Connecticut license board.
Their BuildZoom score of 93 ranks in the top 27% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Olsen Built Homes LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Olsen Built Homes LLC Services
Start a project today:
Olsen Built Homes LLC Contact Information
Phone Number: (203) 650-1019
Edit
Address: 21 DEMING RD, Berlin, CT 06037
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Olsen Built Homes LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovate portion of 2nd floor for offices per 2015 iebc. this is a level 2 alteration per ansi sect 404.2.3.2. provide 18 to pull sides of bathroom stall doors. 60 perpendicular to door. provide c shaped pull. d o'neill 2018 csbc. certificate of approval inspector: frank bellonio 203-946-8039
Valuation:
$450,000
Permit #:
B-19-1
Status:
issued
Fee:
$13,667
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Renovation of 17th floor u.s probation office. r walsh certificate of approval for inspections call inspector: bob walsh 203-946-6125
Valuation:
$658,000
Permit #:
B-19-1320
Status:
issued
Fee:
$19,961
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Complete renovation of the centers main clinic. new updated mechanicals steel stud framing drywall act ceiling millwork flooring adminatration offices
Valuation:
$214,290
Permit #:
B-19-968
Status:
issued
Fee:
$6,556
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Interior non structural renovation including new walls, ceilings, paint, doors, and flooring. department of justice.. floor 23,24,45. r walsh certificate of approval for inspections call inspector: r walsh 203-946-6125
Valuation:
$42,500
Permit #:
B-19-1535
Status:
issued
Fee:
$1,351
Permit Type:
Rehab-Non-Residen...
Building Type:
Commercial
Revised estimate for b-18-17 all trades. see attached. r walsh inspector: r walsh 203-946-6125
Valuation:
$284,515
Permit #:
B-18-579
Status:
complete
Fee:
$8,624
Permit Type:
Revised estimate
Building Type:
Commercial
Construct new corridor around core of building locate on the 6th floor. csbc 2018. r. walsh certificate of approval inspector: r. walsh203-946-6125
Valuation:
$34,000
Permit #:
B-19-435
Status:
complete
Fee:
$1,099
Permit Type:
New construction-...
Building Type:
Commercial
Additional construction costs associated with 2nd floor admin renovation for b 19-1 (revised estimate). r. walsh
Valuation:
$34,300
Permit #:
B-19-982
Status:
complete
Fee:
$1,059
Permit Type:
Revised estimate
Building Type:
Commercial
Demolish 1050 wood frame single family dwelling
Valuation:
N/A
Permit #:
BLD-2023-02455
Status:
complete
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
This is a revised estimate for building permit b-19-677 for additional work. r walsh
Valuation:
$15,400
Permit #:
B-19-1090
Status:
issued
Fee:
$554
Permit Type:
Revised estimate
Building Type:
Commercial
Construction of new walls new paint new carpet and new garage door
Valuation:
$57,285
Permit #:
BP-2019-683
Status:
complete
Fee:
$1,002
Permit Type:
Interior alteration
Building Type:
N/A
Structural support reinforcement
Valuation:
$4,000
Permit #:
B-19-302
Status:
issued
Fee:
$111
Permit Type:
Alteration/renova...
Building Type:
Commercial
Renovation to 7th floor office space office of disability review provide handicap access. all mechancials require separate permits and fees. r walsh inspector: r walsh 203-946-7595 certificate of approval
Valuation:
$450,000
Permit #:
B-18-17
Status:
complete
Fee:
$13,667
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Interior renovation to 8th 9th 10th 11th floor. see plans. *no meps included* r walsh 2016 csbc. inspector: r walsh 203-946-6125 certificate of approval
Valuation:
$600,000
Permit #:
B-18-103
Status:
complete
Fee:
$18,206
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Interior renovation to existing cornell scott hill health center ob/gyn department - r walsh inspector: f bellonio 203-946-8039 certificate of approval
Valuation:
$220,000
Permit #:
B-16-1803
Status:
complete
Fee:
$6,707
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Building new staircase to attic building new non-structural wall to create new bedroom and a walk-in closet demolish of existing walls (non-structural). see hvac 3 15-4328 permit amended to include finished attic for storage space and two habitable rooms not to be used for sleeping rooms. *dyer family trust*
Valuation:
$35,000
Permit #:
PRBD20150003238
Status:
final
Fee:
$2,539
Permit Type:
Additions/alterat...
Building Type:
One family dwelli...
6th floor. construct new partitions. install new doors new ceiling and new flooring yale law school...csbc 2018. r. walsh certificate of approval inspector: r. walsh 203-946-6125
Valuation:
$99,400
Permit #:
B-19-677
Status:
complete
Fee:
$3,076
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Construct new reels storage facility on eversource madison campus. za
Valuation:
$515,000
Permit #:
B-20-651
Status:
complete
Fee:
N/A
Permit Type:
Building: new acc...
Building Type:
Warehouse/storage
Renovate 4th floor for yale financial offices see plan. **meps not included** - r walsh inspector: f bellonio 203-946-8039 certificate of approval
Valuation:
$185,000
Permit #:
B-17-542
Status:
complete
Fee:
$5,648
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
New utility switch room switch geniz room and battery room | for new electrical servicemunis permit number: 20160768
Valuation:
$1,200,000
Permit #:
20155856-B000
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Renovate portion of 20th floor for webster bank offices. maintain all required fire separations - d o'neill inspector: r walsh 203-946-6125 certificate of approval
Valuation:
$120,000
Permit #:
B-16-1321
Status:
complete
Fee:
$3,681
Permit Type:
Rehab-non-residen...
Building Type:
Commercial
Similar Contractors See more
License # NHC.0015222
Milford, CT
109
BZ Score
$147K
Avg Project
-
Projects
123
BZ Score
$26K
Avg Project
-
Projects
119
BZ Score
-
Avg Project
-
Projects
Olsen Built Homes LLC Reviews
BuildZoom hasn't received any reviews for Olsen Built Homes LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Olsen Built Homes LLC License info
Verified License
| License # | MCO.0902042 |
| Status | Active |
| State | Connecticut |
| Type | Mechanical Corporation |
| Date Issued | 07-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Olsen Built Homes LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NHC.0011793 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Olsen Built Homes LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NHC.0008794 |
| Status | Active |
| State | Connecticut |
| Type | New Home Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Olsen Built Homes LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HIC.0601024 |
| Status | Inactive |
| State | Connecticut |
| Type | Home Improvement Contractor |
- According to the Connecticut Department of Consumer Protection, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Olsen Built Homes LLC at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
46
Permits
- Building permit records show that Olsen Built Homes LLC has worked on 46 permitted projects.